A) no B) yes
A) argon B) helium C) nitrogen
A) suspension B) solute C) solvent
A) solvent B) solute C) suspension
A) alcohol B) water C) salt D) oil
A) 78 % nitrogen B) 0.04 % carbon dioxide C) 21 % oxygen D) 100 % radon
A) baking soda, sugar, fructose B) mud, salt, coffee C) oxygen, carbon dioxide, water vapor
A) polarization B) dissociation C) ionization D) dispersion
A) nonpolar; ionized B) ionic ; polar C) covalent ; ionic
A) dispersion B) dissociation C) polarization
A) polar B) ionic C) nonpolar D) valence
A) dissociation B) ionization C) dispersion
A) polarization B) dispersion C) ionization
A) NH4+ B) H3O+ C) OH-
A) electrolyte B) nonelectrolyte
A) base B) neutral C) acid
A) increases B) decreases C) remains the same
A) increases B) decreases C) remains the same
A) antifreeze B) transmission fluid C) hydraulic fluid D) gasoline
A) remains the same B) increases C) decreases
A) homogeneous B) exothermic C) heterogeneous D) endothermic
A) homogeneous B) heterogeneous C) endothermic D) exothermic
A) the boiling point changes B) the freezing point changes C) it absorbs heat when the solute dissolves D) it releases cold when the solute dissolves
A) stirring the solutions B) the temperature of the solvent C) the surface area of the solute D) the color of the solute and solvent
A) add more sugar to the solution B) stir the solution C) heat up the solution D) cool off the solution
A) polar;covalent B) covalent;nonpolar C) nonpolar; polar D) ionic; ionic
A) dissolved gasses come out of solution B) greenhouse gases are produced C) hydrogen escapes the water D) the heat increases the solubility of gases
A) the pressure is suddenly reduced B) the water in the soda has a high freezing point C) the sugar in the soda makes the bubbles D) the temperature decreases
A) lactic acid B) carbonic acid C) boric acid D) sulfuric acid
A) hydrochloric acid B) phosphoric acid C) nitric acid D) bubonic acid
A) bitter B) sour C) sweet
A) it turns black B) it turns yellow C) it turns red D) it turns blue
A) CH4 B) OH- C) H3O+ D) CO32-
A) sour B) sweet C) bitter
A) slippery B) powdery C) sticky
A) it turns blue B) it turns red C) it turn pink D) it turns white
A) phenolphthalein B) sodium acetate C) ammonium nitrate D) ethylene glycol
A) neutralization B) oxidation C) combustion D) base reduction
A) rust and salt B) salt and water C) sugar and water D) gas and water |